The polar vortex is a “constant feature” that begins to develop sometime in September and persists through sometime in spring ...

A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge ...

The polar vortex is a persistent area of low pressure ... Well when we look at the graphic below, we see a ridge of high pressure bringing warm air northward. It's important to remember that ...

The polar vortex could bring a cold blast to millions across America in the second half of March, AccuWeather said in a media ...

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter.

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

Winter weather lingers as a major shift in the weather pattern could have millions across the United States once again ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

There is a sudden warming about to happen high up in the atmosphere. This warming will affect the Polar Vortex. The Polar Vortex is a fast-spinning circular motion usually located about 50,000 ...